20163400796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{43441}}^1$

素因数の和:43611

約数の個数: 72

約数和(自身を含む): 44650730208

約数和(自身を除く): 24487329412

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 137, 154, 242, 274, 308, 484, 548, 847, 959, 1507, 1694, 1918, 3014, 3388, 3836, 6028, 10549, 16577, 21098, 33154, 42196, 43441, 66308, 86882, 116039, 173764, 232078, 304087, 464156, 477851, 608174, 955702, 1216348, 1911404, 3344957, 5256361, 5951417, 6689914, 10512722, 11902834, 13379828, 21025444, 23805668, 36794527, 41659919, 65465587, 73589054, 83319838, 130931174, 147178108, 166639676, 261862348, 458259109, 720121457, 916518218, 1440242914, 1833036436, 2880485828, 5040850199, 10081700398, 20163400796]

約数ペア:

[(1, 20163400796), (2, 10081700398), (4, 5040850199), (7, 2880485828), (11, 1833036436), (14, 1440242914), (22, 916518218), (28, 720121457), (44, 458259109), (77, 261862348), (121, 166639676), (137, 147178108), (154, 130931174), (242, 83319838), (274, 73589054), (308, 65465587), (484, 41659919), (548, 36794527), (847, 23805668), (959, 21025444), (1507, 13379828), (1694, 11902834), (1918, 10512722), (3014, 6689914), (3388, 5951417), (3836, 5256361), (6028, 3344957), (10549, 1911404), (16577, 1216348), (21098, 955702), (33154, 608174), (42196, 477851), (43441, 464156), (66308, 304087), (86882, 232078), (116039, 173764)]